Proterozoic

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英英释义

Proterozoic

n.from 2,500 to 544 million years ago; bacteria and fungi; primitive multicellular organisms

同义词：Proterozoic eonProterozoic aeon

adj.formed in the later of two divisions of the Precambrian era

"proterozoic life forms"

用法：

词组短语

proterozoic era元古代；原生代

双语例句

用作名词(n.)

Early Proterozoic high-pressure metamorphism in the Wutaishan.
五台山早元古代高压变质作用研究。

Wangjiawaizi gold deposit occurrs in Lower Proterozoic opimetamorphic rock series.
王家崴子金矿床赋存于辽南古元古代浅变质岩系中。

用作形容词(adj.)

Boron deposits of eastern Liaoning occur in a suite of Early Proterozoic metamorphic rocks, with boron orebodies existent in magnesian marble.
辽东硼矿床产于早元古代的一套变质岩内，硼矿体赋存于镁质大理岩中。

权威例句

Eukaryotic Organisms in Proterozoic Oceans

Late Proterozoic Low-Latitude Global Glaciation: The Snowball Earth

Eumetazoan Fossils in Terminal Proterozoic Phosphorites?

Microbial Mats in Terminal Proterozoic Siliciclastics: Ediacaran Death Masks

Late Proterozoic rise in atmospheric oxygen concentration inferred from phylogenetic and sulphur-isotope studies

Geological characteristics and tectonic setting of proterozoic iron oxide (CuUAuREE) deposits

Calcified metazoans in thrombolite-stromatolite reefs of the terminal Proterozoic Nama Group, Namibia

Macroscopic Carbonaceous Compressions in a Terminal Proterozoic Shale: A Systematic Reassessment of the Miaohe Biota, South China

Neodymium isotopes in the Colorado Front Range and crust|[ndash]|mantle evolution in the Proterozoic

Origin of the Eumetazoa: Testing ecological predictions of molecular clocks against the Proterozoic fossil record

英语词源：

Proterozoic (adj.)

1880, from protero- + zoic.

造句：

1. Proterozoic Eon

元古宙

-- 来源 -- 英汉 - 短句参考

2. Usually the archeozoic and Proterozoic eras are grouped together and referred to as Precambrian in age. Precambrian rocks have been intensely deformed, metamorphosed and intruded, and are relatively barren of fossils.

通常太古代和元古代被归在一起而称作前寒武纪，前寒武纪的岩石多遭受强烈变形、变质或被岩浆岩侵入，岩石中缺少化石。

-- 来源 -- 英汉 - 翻译样例 - 工程

3. The Proterozoic Era.

原生代，元古代

-- 来源 -- 英汉 - 短句参考

4. Proterozoic group

元古界

-- 来源 -- 英汉 - 翻译参考[网络]

5. Proterozoic era

元古代

-- 来源 -- 英汉 - 翻译参考[网络]

6. In the geological time scale, there are five eras, the archeozoic which means "beginning life", the Proterozoic which means "fore life",

在地质年代表中共划分为5个代，太古代的意思是 “生命的开始”。元古代意即“生命之前”，

-- 来源 -- 英汉 - 翻译样例 - 工程

7. proterozoic stratum

元古代层

-- 来源 -- 英汉 - 翻译参考[网络]

8. Another example of an ancient source sequence that may have expelled oil after a great lapse of time is the Proterozoic Riphean shale in the Ushakovka Suite, of the Kansk Basin-Irkutsk Amphitheater. Siberia, Russia.

经过很长时间的停歇之后才开始排油的古老烃源岩层序的另一个实例是俄罗斯西伯利亚伊尔库茨克艾姆菲赛特的坎斯盆地的元古代的里菲系乌沙科夫组页岩。

-- 来源 -- 汉英 - 翻译参考

9. Perhaps the Proterozoic Nonesuch shale of the Superior Basin holds the record as the apparently effective source sequence with the biggest time-spread between deposition and expulsion.

也许苏必利尔盆地的元古界农萨奇页岩，拥有有效烃源岩层序中由沉积到排烃时间最长的记录。

-- 来源 -- 汉英 - 翻译参考

10. Of, belonging to, or being the oldest and largest division of geologic time, preceding the Cambrian Period, often subdivided into the Archeozoic and Proterozoic eras, and characterized by the appearance of primitive forms of life.

前寒武纪的地质年代中最古老和最大的阶段的、属于这一阶段的或处于这一阶段的，其前为寒武纪期，寒武纪期又可细分为始生代和原生代，特征为原始生命形式的出现

-- 来源 -- 英汉 - 短句参考